Ai yori aoshi vol. 1

On his way home from school one day, Kaoru Hanabishi runs into a young woman in traditional Japanese clothing. She is very lost, and he ends up helping her in her search to find someone. Having failed, the two retire to Kaoru's apartment, where they find out that he was the one she was looking for all along. Her name is Aoi Sakuraba and she has come to be his wife...